1910 Census, Chicago, Cook, Illinois
25 Apr 1910, Supervisor dist. 1, enumeration dist. 1027, sheet 14B
Series: T624  Roll: 266   Page: 204

Blair, Charles A., head, M, W, age 40, married 16 yrs, b. Illinois, 
fa b New York, mo b New York, speaks English, Printer, works for self

Blair, Gertrude B., wife, F, W, age 39, married 16 yrs, no children, b Illinois, 
fa b Germany (German), mo b New York, speaks English